Home / 14,516.08-20,032.42-8,144.09

Finding the Fourth Proportional to 14,516.08, 20,032.42 and 8,144.09

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Solution

The fourth proportional to 14,516.08, 20,032.42 and 8,144.09 is: 11,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.08 : 20,032.42 = 8,144.09 : x
  2. Step 2: Convert to fraction form
    14,516.08/20,032.42 = 8,144.09/x
  3. Step 3: Cross multiply
    14,516.08x = 20,032.42 × 8,144.09
  4. Step 4: Simplify right side
    14,516.08x = 163,145,831.40
  5. Step 5: Solve for x
    x = 163,145,831.40/14,516.08
  6. Step 6: Final answer
    x = 11,238.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.